#pragma once
#include "commodity.h"

class Book :public Commodity
{
private:
	string m_Author;
public:
	Book(const string& name, const string& discription, const string& author, double price, int remain_num);

	string get_Author();
	void set_Author(const string& author);

	void save_Self(ofstream& ofs);

	void show_Info();
};